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Samsung’s Eight-core Chip Goes Hacking

August 13, 2013 by  
Filed under Computing

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A Samsung eight-core chip used in some Galaxy S4 mobile devices is now available for hackers to play with on a developer board from South Korea-based Hardkernel.

Hardkernel’s Odroid XU board has incorporated Samsung’s eight-core Exynos 5 Octa 5410 chip, which is based on ARM’s latest processor designs. Samsung recently announced a new eight-core chip, the Exynos 5 Octa 5420, which packs faster graphics and application processing than the 5410. The 5420 has not yet been shipped yet, however.

The Odroid board is priced at $149 through Aug. 31, after which it will be offered for $169. Samsung for many months has said that a board with an eight-core chip would be released, and has shown prototype developer boards at conferences.

Odroid-XU will provide developers an opportunity to write programs tuned for Samsung’s octa-core chip, which has been a source of controversy. Analysts have said the eight-core design is overkill for small devices like smartphones and tablets, which need long battery life.

The eight-core chip design also takes up a lot of space, which prevented Samsung from putting LTE radios inside some Galaxy S4 models. Qualcomm, which hesitantly moved from the dual core to the quad-core design on its Snapdragon chips, on Friday criticized eight-core chips, calling the idea “dumb.”

Despite the criticism, the board will give developers a first true glimpse of, and an opportunity to write and test applications for, ARM’s Big.Little design. The design combines high-power cores for demanding applications with low-power cores for mundane tasks like texting and calling.

Samsung’s iteration of Big.Little in the Exynos 5 Octa 5410 chip combines four processors based on ARM’s latest Cortex-A15 processor design, which incorporates four low-power Cortex-A7 CPUs. The Cortex-A15 is ARM’s latest processor design and succeeds the previous Cortex-A9 core, which was used in popular smartphones like Apple’s iPhone and the Galaxy S3. Samsung said the eight-core chip provides a balance of power and performance, with the high-power cores kicking in only when necessary.

The board has an Imagination Technologies PowerVR SGX544MP3 graphics processor, 2GB of low-power DDR3 DRAM, two USB 3.0 ports and four USB 2.0 ports. Other features include Wi-Fi, Ethernet and optional Bluetooth. Google’s Android 4.2 operating system is preloaded, and support for other Linux distributions like Ubuntu is expected soon. The board has already been benchmarked on Ubuntu 13.04.

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Samsung Goes Eight Cores

November 30, 2012 by  
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It was only a matter of time before someone got the cunning idea to build an eight-core ARM chip and Samsung seems to have taken up the challenge.

The Korean giant will detail its first eight-core SoC at the International Solid State Circuits Conference in February. The 28nm part features two stitched quad-core clusters, based on A7 and A15 cores, hence the name – big.little.

The A7 cluster runs at up to 1.2GHz, while the A15 cluster can hit 1.8GHz, and it packs 2MB of L2 cache. It sounds like an intriguing concept, a bit like Nvidia’s companion core taken to the next level. The “little” cluster is tuned for energy efficiency, while the beefy A15 cluster should deliver unparalleled performance.

But what about real life applications? Eight cores sound like overkill for smartphones and even high end tablets, so it is unclear whether the big.little chip will find its way into actual products anytime soon.

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Will Samsung Release A Quad-Core Processor?

November 29, 2011 by  
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Samsung is reportedly developing a new quad-core chip that will power its next generation Galaxy series flagship smartphone.

According to androidandme.com, the Korean giant is preparing a new 32nm quad-core chip, the Exynos 4412. The new chip is based on the A9 architecture and it will run at speeds of up to 1.5GHz. Moreover, Samsung went for ARM Mali-400 graphics in the current Exynos 4210, so there is a good chance the new chip will include next generation Mali-604 graphics.

In terms of performance, the new chip could be a rather impressive beast. Compared to Nvidia’s Tegra 3, the Exynos could squeeze out a bit more performance per watt, thanks to its superior manufacturing process. On the graphics front, it could also sneak ahead of both Tegra 3 and Apple’s A5, with the SGX 543MP2 graphics core. The new chip should debut in early 2012 if all goes well.

Interestingly, Samsung has been keen to embrace processors and graphics solutions from a number of companies in the past. Even now, the company is selling a rather awkward mix of phones and tablets based on Samsung, Nvidia, Qualcomm and Texas Instruments chips. Basically Samsung is in bed with everyone, but it is obviously taking mobile chip development seriously and we could see some if not all third-party suppliers phased out sometime in the future.

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2GHz Smartphones On The Horizon

April 19, 2011 by  
Filed under Smartphones

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According to Asian sources, Samsung is apparently developing an ARM based 2GHz dual-core processor.  The smartphone is expected to be the first on the market next year about of the Samsung’s Exynos line.

Apparently, this news was leaked from an executive at Samsung who also said the company intends to offer the new processors on its competitors to put on their smartphones and tablets.  Samsung is also claiming that the processor will offer PC performance.  Our question is what will the performance be based upon?

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